Refactor editor UI components: streamline button handling in graphics and music editors, remove unused macros, and improve table setup in assembly editor.

src/app/editor/music/music_editor.cc

@@ -194,9 +194,21 @@ void MusicEditor::DrawToolset() {
       is_playing = !is_playing;
     }
 
-    BUTTON_COLUMN(ICON_MD_FAST_REWIND)
-    BUTTON_COLUMN(ICON_MD_FAST_FORWARD)
-    BUTTON_COLUMN(ICON_MD_VOLUME_UP)
+    ImGui::TableNextColumn();
+    if (ImGui::Button(ICON_MD_FAST_REWIND)) {
+      // Handle rewind button click
+    }
+
+    ImGui::TableNextColumn();
+    if (ImGui::Button(ICON_MD_FAST_FORWARD)) {
+      // Handle fast forward button click
+    }
+
+    ImGui::TableNextColumn();
+    if (ImGui::Button(ICON_MD_VOLUME_UP)) {
+      // Handle volume up button click
+    }
+
     if (ImGui::Button(ICON_MD_ACCESS_TIME)) {
       music_tracker_.LoadSongs(*rom());
     }